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7b403bff6257b7b1dc7136f3696611e19b314f26
doris/be/src/exec/tablet_info.cpp
bobhan1 7b403bff62 [feature](partial update)support insert new rows in non-strict mode partial update with nullable unmentioned columns (#21623) 
1. expand the semantics of variable strict_mode to control the behavior for stream load: if strict_mode is true, the stream load can only update existing rows; if strict_mode is false, the stream load can insert new rows if the key is not present in the table
2. when inserting a new row in non-strict mode stream load, the unmentioned columns should have default value or be nullable
2023-07-11 09:38:56 +08:00

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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "exec/tablet_info.h"
#include <butil/fast_rand.h>
#include <gen_cpp/Descriptors_types.h>
#include <gen_cpp/Exprs_types.h>
#include <gen_cpp/Types_types.h>
#include <gen_cpp/descriptors.pb.h>
#include <glog/logging.h>
#include <stddef.h>
#include <algorithm>
#include <ostream>
#include "olap/tablet_schema.h"
#include "runtime/descriptors.h"
#include "runtime/large_int_value.h"
#include "runtime/memory/mem_tracker.h"
#include "runtime/raw_value.h"
#include "runtime/types.h"
#include "util/hash_util.hpp"
#include "util/string_parser.hpp"
#include "vec/common/string_ref.h"
#include "vec/exprs/vexpr.h"
#include "vec/runtime/vdatetime_value.h"
namespace doris {
void OlapTableIndexSchema::to_protobuf(POlapTableIndexSchema* pindex) const {
pindex->set_id(index_id);
pindex->set_schema_hash(schema_hash);
for (auto slot : slots) {
pindex->add_columns(slot->col_name());
}
for (auto column : columns) {
column->to_schema_pb(pindex->add_columns_desc());
}
for (auto index : indexes) {
index->to_schema_pb(pindex->add_indexes_desc());
}
}
Status OlapTableSchemaParam::init(const POlapTableSchemaParam& pschema) {
_db_id = pschema.db_id();
_table_id = pschema.table_id();
_version = pschema.version();
_is_partial_update = pschema.partial_update();
_is_strict_mode = pschema.is_strict_mode();
for (auto& col : pschema.partial_update_input_columns()) {
_partial_update_input_columns.insert(col);
}
std::map<std::string, SlotDescriptor*> slots_map;
_tuple_desc = _obj_pool.add(new TupleDescriptor(pschema.tuple_desc()));
for (auto& p_slot_desc : pschema.slot_descs()) {
auto slot_desc = _obj_pool.add(new SlotDescriptor(p_slot_desc));
_tuple_desc->add_slot(slot_desc);
slots_map.emplace(slot_desc->col_name(), slot_desc);
}
for (auto& p_index : pschema.indexes()) {
auto index = _obj_pool.add(new OlapTableIndexSchema());
index->index_id = p_index.id();
index->schema_hash = p_index.schema_hash();
for (auto& col : p_index.columns()) {
if (_is_partial_update && _partial_update_input_columns.count(col) == 0) {
continue;
}
auto it = slots_map.find(col);
if (it == std::end(slots_map)) {
return Status::InternalError("unknown index column, column={}", col);
}
index->slots.emplace_back(it->second);
}
for (auto& pcolumn_desc : p_index.columns_desc()) {
TabletColumn* tc = _obj_pool.add(new TabletColumn());
tc->init_from_pb(pcolumn_desc);
index->columns.emplace_back(tc);
}
for (auto& pindex_desc : p_index.indexes_desc()) {
TabletIndex* ti = _obj_pool.add(new TabletIndex());
ti->init_from_pb(pindex_desc);
index->indexes.emplace_back(ti);
}
_indexes.emplace_back(index);
}
std::sort(_indexes.begin(), _indexes.end(),
[](const OlapTableIndexSchema* lhs, const OlapTableIndexSchema* rhs) {
return lhs->index_id < rhs->index_id;
});
return Status::OK();
}
Status OlapTableSchemaParam::init(const TOlapTableSchemaParam& tschema) {
_db_id = tschema.db_id;
_table_id = tschema.table_id;
_version = tschema.version;
_is_dynamic_schema = tschema.is_dynamic_schema;
_is_partial_update = tschema.is_partial_update;
if (tschema.__isset.is_strict_mode) {
_is_strict_mode = tschema.is_strict_mode;
}
for (auto& tcolumn : tschema.partial_update_input_columns) {
_partial_update_input_columns.insert(tcolumn);
}
std::map<std::string, SlotDescriptor*> slots_map;
_tuple_desc = _obj_pool.add(new TupleDescriptor(tschema.tuple_desc));
for (auto& t_slot_desc : tschema.slot_descs) {
auto slot_desc = _obj_pool.add(new SlotDescriptor(t_slot_desc));
_tuple_desc->add_slot(slot_desc);
slots_map.emplace(slot_desc->col_name(), slot_desc);
}
for (auto& t_index : tschema.indexes) {
auto index = _obj_pool.add(new OlapTableIndexSchema());
index->index_id = t_index.id;
index->schema_hash = t_index.schema_hash;
for (auto& col : t_index.columns) {
if (_is_partial_update && _partial_update_input_columns.count(col) == 0) {
continue;
}
auto it = slots_map.find(col);
if (it == std::end(slots_map)) {
return Status::InternalError("unknown index column, column={}", col);
}
index->slots.emplace_back(it->second);
}
if (t_index.__isset.columns_desc) {
for (auto& tcolumn_desc : t_index.columns_desc) {
TabletColumn* tc = _obj_pool.add(new TabletColumn());
tc->init_from_thrift(tcolumn_desc);
index->columns.emplace_back(tc);
}
}
if (t_index.__isset.indexes_desc) {
for (auto& tindex_desc : t_index.indexes_desc) {
std::vector<int32_t> column_unique_ids(tindex_desc.columns.size());
for (size_t i = 0; i < tindex_desc.columns.size(); i++) {
auto it = slots_map.find(tindex_desc.columns[i]);
if (it != std::end(slots_map)) {
column_unique_ids[i] = it->second->col_unique_id();
}
}
TabletIndex* ti = _obj_pool.add(new TabletIndex());
ti->init_from_thrift(tindex_desc, column_unique_ids);
index->indexes.emplace_back(ti);
}
}
if (t_index.__isset.where_clause) {
RETURN_IF_ERROR(
vectorized::VExpr::create_expr_tree(t_index.where_clause, index->where_clause));
}
_indexes.emplace_back(index);
}
std::sort(_indexes.begin(), _indexes.end(),
[](const OlapTableIndexSchema* lhs, const OlapTableIndexSchema* rhs) {
return lhs->index_id < rhs->index_id;
});
return Status::OK();
}
void OlapTableSchemaParam::to_protobuf(POlapTableSchemaParam* pschema) const {
pschema->set_db_id(_db_id);
pschema->set_table_id(_table_id);
pschema->set_version(_version);
pschema->set_partial_update(_is_partial_update);
pschema->set_is_strict_mode(_is_strict_mode);
for (auto col : _partial_update_input_columns) {
*pschema->add_partial_update_input_columns() = col;
}
_tuple_desc->to_protobuf(pschema->mutable_tuple_desc());
for (auto slot : _tuple_desc->slots()) {
slot->to_protobuf(pschema->add_slot_descs());
}
for (auto index : _indexes) {
index->to_protobuf(pschema->add_indexes());
}
}
std::string OlapTableSchemaParam::debug_string() const {
std::stringstream ss;
ss << "tuple_desc=" << _tuple_desc->debug_string();
return ss.str();
}
VOlapTablePartitionParam::VOlapTablePartitionParam(std::shared_ptr<OlapTableSchemaParam>& schema,
const TOlapTablePartitionParam& t_param)
: _schema(schema),
_t_param(t_param),
_slots(_schema->tuple_desc()->slots()),
_mem_tracker(std::make_unique<MemTracker>("OlapTablePartitionParam")) {
for (auto slot : _slots) {
_partition_block.insert(
{slot->get_empty_mutable_column(), slot->get_data_type_ptr(), slot->col_name()});
}
}
VOlapTablePartitionParam::~VOlapTablePartitionParam() {
_mem_tracker->release(_mem_usage);
}
Status VOlapTablePartitionParam::init() {
std::vector<std::string> slot_column_names;
for (auto slot_desc : _schema->tuple_desc()->slots()) {
slot_column_names.emplace_back(slot_desc->col_name());
}
auto find_slot_locs = [&slot_column_names](const std::string& slot_name,
std::vector<uint16_t>& locs,
const std::string& column_type) {
auto it = std::find(slot_column_names.begin(), slot_column_names.end(), slot_name);
if (it == slot_column_names.end()) {
return Status::InternalError("{} column not found, column ={}", column_type, slot_name);
}
locs.emplace_back(it - slot_column_names.begin());
return Status::OK();
};
if (_t_param.__isset.partition_columns) {
for (auto& part_col : _t_param.partition_columns) {
RETURN_IF_ERROR(find_slot_locs(part_col, _partition_slot_locs, "partition"));
}
}
_partitions_map.reset(
new std::map<BlockRow*, VOlapTablePartition*, VOlapTablePartKeyComparator>(
VOlapTablePartKeyComparator(_partition_slot_locs)));
if (_t_param.__isset.distributed_columns) {
for (auto& col : _t_param.distributed_columns) {
RETURN_IF_ERROR(find_slot_locs(col, _distributed_slot_locs, "distributed"));
}
}
if (_distributed_slot_locs.empty()) {
_compute_tablet_index = [](BlockRow* key, int64_t num_buckets) -> uint32_t {
return butil::fast_rand() % num_buckets;
};
} else {
_compute_tablet_index = [this](BlockRow* key, int64_t num_buckets) -> uint32_t {
uint32_t hash_val = 0;
for (int i = 0; i < _distributed_slot_locs.size(); ++i) {
auto slot_desc = _slots[_distributed_slot_locs[i]];
auto& column = key->first->get_by_position(_distributed_slot_locs[i]).column;
auto val = column->get_data_at(key->second);
if (val.data != nullptr) {
hash_val = RawValue::zlib_crc32(val.data, val.size, slot_desc->type().type,
hash_val);
} else {
hash_val = HashUtil::zlib_crc_hash_null(hash_val);
}
}
return hash_val % num_buckets;
};
}
DCHECK(!_t_param.partitions.empty()) << "must have at least 1 partition";
_is_in_partition = _t_param.partitions[0].__isset.in_keys;
// initial partitions
for (int i = 0; i < _t_param.partitions.size(); ++i) {
const TOlapTablePartition& t_part = _t_param.partitions[i];
auto part = _obj_pool.add(new VOlapTablePartition(&_partition_block));
part->id = t_part.id;
part->is_mutable = t_part.is_mutable;
if (!_is_in_partition) {
if (t_part.__isset.start_keys) {
RETURN_IF_ERROR(_create_partition_keys(t_part.start_keys, &part->start_key));
}
if (t_part.__isset.end_keys) {
RETURN_IF_ERROR(_create_partition_keys(t_part.end_keys, &part->end_key));
}
} else {
for (const auto& keys : t_part.in_keys) {
RETURN_IF_ERROR(_create_partition_keys(
keys, &part->in_keys.emplace_back(&_partition_block, -1)));
}
if (t_part.__isset.is_default_partition && t_part.is_default_partition) {
_default_partition = part;
}
}
part->num_buckets = t_part.num_buckets;
auto num_indexes = _schema->indexes().size();
if (t_part.indexes.size() != num_indexes) {
return Status::InternalError(
"number of partition's index is not equal with schema's"
", num_part_indexes={}, num_schema_indexes={}",
t_part.indexes.size(), num_indexes);
}
part->indexes = t_part.indexes;
std::sort(part->indexes.begin(), part->indexes.end(),
[](const OlapTableIndexTablets& lhs, const OlapTableIndexTablets& rhs) {
return lhs.index_id < rhs.index_id;
});
// check index
for (int j = 0; j < num_indexes; ++j) {
if (part->indexes[j].index_id != _schema->indexes()[j]->index_id) {
std::stringstream ss;
ss << "partition's index is not equal with schema's"
<< ", part_index=" << part->indexes[j].index_id
<< ", schema_index=" << _schema->indexes()[j]->index_id;
return Status::InternalError(
"partition's index is not equal with schema's"
", part_index={}, schema_index={}",
part->indexes[j].index_id, _schema->indexes()[j]->index_id);
}
}
_partitions.emplace_back(part);
if (_is_in_partition) {
for (auto& in_key : part->in_keys) {
_partitions_map->emplace(&in_key, part);
}
} else {
_partitions_map->emplace(&part->end_key, part);
}
}
_mem_usage = _partition_block.allocated_bytes();
_mem_tracker->consume(_mem_usage);
return Status::OK();
}
bool VOlapTablePartitionParam::find_partition(BlockRow* block_row,
const VOlapTablePartition** partition) const {
auto it = _is_in_partition ? _partitions_map->find(block_row)
: _partitions_map->upper_bound(block_row);
// for list partition it might result in default partition
if (_is_in_partition) {
*partition = (it != _partitions_map->end()) ? it->second : _default_partition;
it = _partitions_map->end();
}
if (it != _partitions_map->end() && _part_contains(it->second, block_row)) {
*partition = it->second;
}
return (*partition != nullptr);
}
uint32_t VOlapTablePartitionParam::find_tablet(BlockRow* block_row,
const VOlapTablePartition& partition) const {
return _compute_tablet_index(block_row, partition.num_buckets);
}
Status VOlapTablePartitionParam::_create_partition_keys(const std::vector<TExprNode>& t_exprs,
BlockRow* part_key) {
for (int i = 0; i < t_exprs.size(); i++) {
RETURN_IF_ERROR(_create_partition_key(t_exprs[i], part_key, _partition_slot_locs[i]));
}
return Status::OK();
}
Status VOlapTablePartitionParam::_create_partition_key(const TExprNode& t_expr, BlockRow* part_key,
uint16_t pos) {
auto column = std::move(*part_key->first->get_by_position(pos).column).mutate();
switch (t_expr.node_type) {
case TExprNodeType::DATE_LITERAL: {
if (TypeDescriptor::from_thrift(t_expr.type).is_date_v2_type()) {
vectorized::DateV2Value<doris::vectorized::DateV2ValueType> dt;
if (!dt.from_date_str(t_expr.date_literal.value.c_str(),
t_expr.date_literal.value.size())) {
std::stringstream ss;
ss << "invalid date literal in partition column, date=" << t_expr.date_literal;
return Status::InternalError(ss.str());
}
column->insert_data(reinterpret_cast<const char*>(&dt), 0);
} else if (TypeDescriptor::from_thrift(t_expr.type).is_datetime_v2_type()) {
vectorized::DateV2Value<doris::vectorized::DateTimeV2ValueType> dt;
if (!dt.from_date_str(t_expr.date_literal.value.c_str(),
t_expr.date_literal.value.size())) {
std::stringstream ss;
ss << "invalid date literal in partition column, date=" << t_expr.date_literal;
return Status::InternalError(ss.str());
}
column->insert_data(reinterpret_cast<const char*>(&dt), 0);
} else {
vectorized::VecDateTimeValue dt;
if (!dt.from_date_str(t_expr.date_literal.value.c_str(),
t_expr.date_literal.value.size())) {
std::stringstream ss;
ss << "invalid date literal in partition column, date=" << t_expr.date_literal;
return Status::InternalError(ss.str());
}
column->insert_data(reinterpret_cast<const char*>(&dt), 0);
}
break;
}
case TExprNodeType::INT_LITERAL: {
switch (t_expr.type.types[0].scalar_type.type) {
case TPrimitiveType::TINYINT: {
int8_t value = t_expr.int_literal.value;
column->insert_data(reinterpret_cast<const char*>(&value), 0);
break;
}
case TPrimitiveType::SMALLINT: {
int16_t value = t_expr.int_literal.value;
column->insert_data(reinterpret_cast<const char*>(&value), 0);
break;
}
case TPrimitiveType::INT: {
int32_t value = t_expr.int_literal.value;
column->insert_data(reinterpret_cast<const char*>(&value), 0);
break;
}
default:
int64_t value = t_expr.int_literal.value;
column->insert_data(reinterpret_cast<const char*>(&value), 0);
}
break;
}
case TExprNodeType::LARGE_INT_LITERAL: {
StringParser::ParseResult parse_result = StringParser::PARSE_SUCCESS;
__int128 value = StringParser::string_to_int<__int128>(
t_expr.large_int_literal.value.c_str(), t_expr.large_int_literal.value.size(),
&parse_result);
if (parse_result != StringParser::PARSE_SUCCESS) {
value = MAX_INT128;
}
column->insert_data(reinterpret_cast<const char*>(&value), 0);
break;
}
case TExprNodeType::STRING_LITERAL: {
int len = t_expr.string_literal.value.size();
const char* str_val = t_expr.string_literal.value.c_str();
column->insert_data(str_val, len);
break;
}
case TExprNodeType::BOOL_LITERAL: {
column->insert_data(reinterpret_cast<const char*>(&t_expr.bool_literal.value), 0);
break;
}
default: {
return Status::InternalError("unsupported partition column node type, type={}",
t_expr.node_type);
}
}
part_key->second = column->size() - 1;
return Status::OK();
}
} // namespace doris
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